<template>
  <div class="ratingselect">
    <div class="raiting-type border-1px">
      <span @click="select(2,$event)" class="block positive" :class="{'active': selectType===2}">{{desc.all}}<span class="count">{{ratings.length}}</span></span>
      <span @click="select(0,$event)"class="block positive" :class="{'active': selectType===0}">{{desc.positive}}<span class="count">{{positives.length}}</span></span>
      <span @click="select(1,$event)" class="block negative" :class="{'active': selectType===1}">{{desc.negative}}<span class="count">{{negative.length}}</span></span>
    </div>
    <div @click="toggleContent($event)" class="switch" :class="{'on': onlyContent}">
      <i class="icon-check_circle"></i>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>
<script>
const POSITIVE = 0  //  定义个正面性评价
const NEGATIVE = 1  //  定义个负面性评价
// const ALL = 2 //  所有评价
export default {
  props: {
    ratings: {
      type: Array,
      default () {
        return []
      }
    },
    selectType: {
      type: Number
      // default: ALL
    },
    onlyContent: {
      type: Boolean,
      default: false
    },
    desc: {
      type: Object,
      default () {
        return {
          all: '全部',
          positive: '满意',
          negative: '不满意'
        }
      }
    }
  },
  computed: {
    positives () {
      return this.ratings.filter((rating) => {
        return rating.rateType === POSITIVE
      })
    },
    negative () {
      return this.ratings.filter((rating) => {
        return rating.rateType === NEGATIVE
      })
    }
  },
  methods: {
    select (type, event) {
      if (!event._constructed) {
        return
      }
      this.selectType = type
      // 派发事件 让父组件good知道selectType改变了 基本数据类型的变化不会引发父组件数据的改变
      this.$dispatch('ratingtype.select', type)
    },
    toggleContent (event) {
      if (!event._constructed) {
        return
      }
      this.onlyContent = !this.onlyContent
      this.$dispatch('content.toggle', this.onlyContent)
    }
  }
}
</script>
<style lang="stylus" rel="stylesheet/stylus">
@import '../../common/styls/mixin.styl';
  .ratingselect
    .raiting-type
      padding 18px 0
      margin  0 18px
      border-1px(rgba(7, 17, 27, .1))
      font-size 0
      .block
        display inline-block
        padding 8px 12px 
        border-radius 1px 
        margin-right 8px
        line-height 16px
        color rgb(77, 85, 93)
        font-size 12px
        &.active
          color #ffffff
        .count
          font-size 8px
          margin-left 2px
        &.positive
          background rgba(0, 160, 220, 0.2)
          &.active
            background rgb(0, 160, 220)
        &.negative
          background  rgba(77, 85, 93, 0.2)
          &.active 
            background  rgb(77, 85, 93)
    .switch
      padding 12px 18px
      line-height 24px
      border-bottom 1px solid rgba(7, 17, 27, 0.1)
      color rgb(147, 153, 159)
      font-size 0
      &.on
        .icon-check_circle
          color #00c850
      .icon-check_circle
        display inline-block
        vertical-align top
        margin-right 4px
        font-size 24px
      .text
        display inline-block
        vertical-align top
        font-size 12px
</style>